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Nitrogen 14 is by far the most abundant isotope (99.63% abundant).

An easy way to figure out which one is the most abundant is to look at the Periodic Table. The mass on the periodic table is the weighted average of all possible isotopes. The Atomic Mass of nitrogen is 14.00674. You can gather from this that the most abundant isotope is N-14, since the number is VERY close to 14.

It is also possible to guess the most common isotope if you do not have access to a periodic table. Nitrogen has 7 protons and the most stable isotope is Nitrogen 14, which has 7 neutrons in addition to the protons. In virtually all elements, the stable isotopes are those that have the same or very similar number of neutrons as the number of protons in the nucleus. This works for Carbon which has 6 protons and 6 neutrons in the nucleus for Carbon 12, the most common isotope.

This is also true for Oxygen 16 (8P and 8N), Silicon 28 (14P and 14N), and just about any element you choose.
An isotope of nitrogen containing seven neutrons would be nitrogen - 15.

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8y ago
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11y ago

Both have the same number of protons but different number of neutrons.

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13y ago

N-14 is by far the most abundant isotope of nitrogen, making up more than 99 percent of natural nitrogen.

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10y ago

These are isotopes. N-14 has 7 protons and 7 neutrons. N-15 also has 7 protons, but it has 8 neutrons.

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7y ago

The percentage of the isotope N-14 is 99,96 %.

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15y ago

nitrogen 14

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Q: Is N-14 or N-15 more abundant in nitrogen?
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Nitrogen has 2 naturally accuring isotopes N-4 and n15 its atomic mass is 14.007 which isotope is more abundant?

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